Following is a transcript of the video. Narrator: High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones. But mining black opal isn't easy.

The 2026 Black Opal Stakes - a 1200m Group Three race - will be held at Canberra Racecourse on Sunday 8th March 2026. Punters has all the race details like tips, betting, odds, form, field, race time ...